Size 00 and size 0 capsules are two of the most commonly used capsule sizes for supplements, vitamins, herbs, and nutritional formulations.
Both capsule sizes are widely used because they offer:
- good powder capacity
- practical serving sizes
- flexibility for many supplement types
However, there are important differences between size 00 and size 0 capsules including:
- dimensions
- fill capacity
- ease of swallowing
- formulation suitability
Understanding these differences can help you choose the right capsule size for your needs.
What Is a Size 00 Capsule?
Size 00 capsules are one of the most popular capsule sizes in the supplement industry.
They are commonly used for:
- herbal supplements
- mushroom powders
- vitamins
- probiotics
- custom supplement blends
Size 00 capsules are often chosen because they provide:
- relatively high capacity
- fewer capsules per serving
- versatility for many formulations
What Is a Size 0 Capsule?
Size 0 capsules are slightly smaller than size 00 capsules.
They are commonly used for:
- daily supplements
- moderate serving sizes
- easier swallowing
- vitamins and minerals
Many people prefer size 0 capsules because they are:
- easier to swallow
- comfortable for everyday use
- suitable for a wide range of powders
Size 00 vs Size 0 Capsule Dimensions
| Capsule Size | Approx Length | Approx Capacity |
|---|---|---|
| 00 | 23.3 mm | 700–1100 mg* |
| 0 | 21.7 mm | 500–800 mg* |
*Approximate powder capacity depends on powder density and formulation characteristics.
Which Capsule Holds More Powder?
Size 00 capsules generally hold more powder than size 0 capsules.
This makes size 00 capsules useful for:
- larger serving sizes
- bulky powders
- reducing capsule count per serving
However, actual fill capacity varies depending on:
- ingredient density
- particle size
- formulation type
Are Size 0 Capsules Easier to Swallow?
Because size 0 capsules are slightly smaller, many people find them:
- easier to swallow
- more comfortable for daily use
- better for beginners
Size 00 capsules may feel larger for some users but can reduce:
- the number of capsules needed per serving
Best Uses for Size 00 Capsules
Size 00 capsules are commonly used for:
- creatine
- mushroom powders
- herbal blends
- greens powders
- higher-dose supplements
They are often considered:
- a versatile all-purpose capsule size
Best Uses for Size 0 Capsules
Size 0 capsules are commonly used for:
- vitamins
- magnesium
- turmeric
- probiotics
- ashwagandha
- moderate-dose supplements
They are popular because they balance:
- comfort
- capacity
- convenience
Size 00 vs Size 0 – Which Is Better?
Neither capsule size is universally better.
The best choice depends on:
- serving size
- powder density
- swallowing preference
- supplement formulation
Choose Size 00 If:
- you need more powder capacity
- you want fewer capsules per serving
- you use bulky powders
Choose Size 0 If:
- you prefer easier swallowing
- you want smaller capsules
- you use moderate serving sizes
How Many mg Fit in Size 00 vs Size 0 Capsules?
Approximate powder capacities:
| Capsule Size | Approx Powder Capacity |
|---|---|
| 00 | 700–1100 mg |
| 0 | 500–800 mg |
Actual capacity varies depending on:
- ingredient density
- powder compression
- formulation type
Gelatin vs HPMC Options
Both size 00 and size 0 capsules are available in:
- gelatin capsules
- HPMC vegetarian capsules
Gelatin Capsules
- animal-derived
- widely used
- smooth texture
HPMC Capsules
- plant-based
- vegetarian friendly
- vegan friendly
Both options are commonly used for supplements and nutritional formulations.
Frequently Asked Questions
Which is bigger – size 00 or size 0?
Size 00 capsules are larger than size 0 capsules.
Do size 00 capsules hold more powder?
Yes. Size 00 capsules generally hold more powder than size 0 capsules.
Are size 0 capsules easier to swallow?
Many people find size 0 capsules easier to swallow because they are smaller.
What is size 00 best for?
Size 00 capsules are commonly used for larger-dose formulations and herbal powders.
What is size 0 best for?
Size 0 capsules are popular for everyday supplements and moderate serving sizes.
Are size 0 capsules vegetarian?
Yes. Size 0 capsules are available in HPMC vegetarian options.
Related Pages
- Capsule Size Chart
- Capsule Volume Chart
- Capsule Sizes Explained
- Size 000 vs 00 Capsules
- What Are HPMC Capsules?
- What Are Gelatin Capsules?
- Capsule Size Calculator
- How Much Powder Fits in a Capsule
